For the 2026 school year, there are 22 private high schools belonging to State or regional independent school association serving 8,158 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top-ranked private high schools belonging to State or regional independent school association in Connecticut include King School, Greenwich Country Day School, and Sacred Heart Greenwich.
The average tuition cost is $46,582, which is higher than the Connecticut private high school average tuition cost of $39,344.
27% of private high schools belonging to State or regional independent school association in Connecticut are religiously affiliated (most commonly Catholic).
Top-Ranked Private High Schools Belonging to State or regional independent school association in Connecticut (2026)
School
Location
Quick Facts
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Stamford, CT 06905
(203) 322-3496
Gr: PK-12 | 718 students Avg. class size: 12 students Sports: 19 | Extracurrculars: 42 Tuition listed
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
New Canaan, CT 06840
(203) 972-0771
Gr: NS-9 | 555 students Avg. class size: 16 students Sports: 13 | Extracurrculars: 16 Tuition & acceptance rate listed
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Pomfret, CT 06258
(860) 928-1328
Gr: K-9 Avg. class size: 10 students Sports: 23 | Extracurrculars: 27 Tuition listed
2970 Bronson Road
Fairfield, CT 06824
(203) 259-2723
Fairfield, CT 06824
(203) 259-2723
Gr: K-9 | 201 students Avg. class size: 6 students Sports: 8 Tuition listed
Avon Old Farms School![Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.]( "Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.")
All-boys
500 Old Farms Rd
Avon, CT 06001
(860) 404-4100
Avon, CT 06001
(860) 404-4100
Gr: 9-12 | 415 students Avg. class size: 12 students Sports: 15 Tuition listed
East Catholic High School![East Catholic High School Photo]( "East Catholic High School Photo")
(Catholic)
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Manchester, CT 06042
(860) 649-5336
Gr: 9-12 | 479 students Avg. class size: 23 students Sports: 19 Tuition & acceptance rate listed
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Fairfield, CT 06824
(203) 254-4200
Gr: 9-12 | 757 students
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Greens Farms, CT 06838
(203) 256-7501
Gr: PK-12 | 713 students Avg. class size: 15 students Sports: 14 Tuition listed
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Greenwich, CT 06830
(203) 625-8900
Gr: PK-12 | 830 students
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Greenwich, CT 06830
(203) 863-5600
Gr: NS-12 | 1,251 student Tuition & acceptance rate listed
Intensive Education Academy In
Special Education School
840 North Main St.
West Hartford, CT 06117
(860) 236-2049
West Hartford, CT 06117
(860) 236-2049
Gr: 2-12 | 56 students Avg. class size: 7 students Sports: 1 | Extracurrculars: 2 Tuition & acceptance rate listed
200 High St
Milford, CT 06460
(203) 877-2786
Milford, CT 06460
(203) 877-2786
Gr: 9-12 Avg. class size: 15 students Sports: 16 | Extracurrculars: 13 Tuition listed
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Washington Depot, CT 06794
(860) 868-0535
Gr: PK-9 | 328 students Avg. class size: 12 students Sports: 17 Tuition & acceptance rate listed
Sacred Heart Academy![Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.]( "Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.")
All-girls (Catholic)
265 Benham St
Hamden, CT 06514
(203) 288-2309
Hamden, CT 06514
(203) 288-2309
Gr: 9-12 | 354 students Avg. class size: 19 students Tuition listed
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Greenwich, CT 06831
(609) 261-2273
Gr: PK-12 | 680 students Avg. class size: 13 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Middletown, CT 06457
(860) 346-7735
Gr: 9-12 | 600 students Avg. class size: 12 students Sports: 18 | Extracurrculars: 1 Tuition & acceptance rate listed
Elizabeth Ives School For Special Children
Special Education School
70 State St
North Haven, CT 06473
(203) 234-8770
North Haven, CT 06473
(203) 234-8770
Gr: 3-12 | 14 students
The Light House (Lighthouse Voc-ed Center Inc.)
Special Education School
125 Shaw St.
New London, CT 06320
(860) 445-7626
New London, CT 06320
(860) 445-7626
Gr: 2-12 | 22 students Tuition listed
Options Educational Services
Special Education School
606 Farmington Ave
Hartford, CT 06105
(860) 712-6362
Hartford, CT 06105
(860) 712-6362
Gr: 8-12 | 20 students
1 Sylvan Rd N
Westport, CT 06880
(203) 226-1891
Westport, CT 06880
(203) 226-1891
Gr: K-12 | 120 students Avg. class size: 6 students Tuition listed
Touchstone School
All-girls | Special Education School
11 Country Place
Litchfield, CT 06759
(860) 567-3809
Litchfield, CT 06759
(860) 567-3809
Gr: 12 | 3 students
The Woodhall School![The Woodhall School Photo - The Woodhall Players presented John Steinbeck's drama, Of Mice and Men.]( "The Woodhall School Photo - The Woodhall Players presented John Steinbeck's drama, Of Mice and Men.")
All-boys | Alternative School
58 Harrison Ln
Bethlehem, CT 06751
(203) 409-2644
Bethlehem, CT 06751
(203) 409-2644
Gr: 9-12 | 42 students Avg. class size: 3 students Sports: 7 | Extracurrculars: 7 Tuition & acceptance rate listed
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.
